Bleeding in the upper digestive tract (oesophagus, stomach) tends to cause black, tarry stools as the blood is digested for longer than bleeding from the colon, rectum or around the anus which tends to produce red stools or fresh, bright red blood in the stool. Changes in diet (intake of fibre, fluids)
The list of signs and symptoms mentioned in various sources for Decompression sickness includes the 22 symptoms listed below: 1  Joint pains. 2  Headache. 3  Dizziness. 4  Chest pain. 5  Abdominal pain.6  Breathing difficulty. 7  Unconsciousness. 8  Abnormal sensations.eview the available symptom checkers for these symptoms of Decompression sickness: 1  Headache -- Symptom Checker. 2  Abdominal pain -- Symptom Checker. 3  Breathing difficulty -- Symptom Checker.
For example, you may experience confusion as a result of brain swelling. Or you may suffer from shortness of breath caused by fluid in the lungs. Symptoms of severe altitude sickness may include: 1  coughing. 2  chest congestion. 3  pale complexion and skin discoloration. 4  inability to walk or lack of balance. 5  social withdrawal.